/*
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 * and open the template in the editor.
 */
package Box;
class Area {/*autore Pietro Tarateo*/
    int lato;
    void calcolaArea () {
        System.out.print ("Area is ");
        System.out.println (lato * lato);
    }
    public static void main(String args[]) {
        Area mybox1 = new Area() ;
        mybox1.lato = 3;
        mybox1.calcolaArea();
    }
}
        
    


